-v is for verbose.

Remove unused variables
No whitespace inside parentheses
Add missing whitespace around arithmetic operator
Fix indentation
Remove trailing whitespaces

Update variable names

Unhardcode plugins path.
Use plugins path properly: temporarily add plugins path to system path
and then restore it.

Use with statement when working with files whenever possible.
Use os.makedirs() to create Glances target directory and all parent
ones as needed.

Python 3.0, 3.1 and 3.2 do not support the u'' string literal syntax at all.
Unicode string literals were introduced in Python 3.3 again.

See http://legacy.python.org/dev/peps/pep-0414/ for more information.

- encode password in UTF-8 before hash it
- raw_input() -> input()

- CSV module is in python stdlib
- more cleaning

- remove obsolete code
- glances_password: update comments and fix typos
- re-apply fix to avoid string format conflicts (screwed up after
  feature branch merges)
- strip trailing whitespaces
- flake8